[INFO] updating cached repository Technius/tokio-chatserver-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Technius/tokio-chatserver-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Technius/tokio-chatserver-example" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Technius/tokio-chatserver-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Technius/tokio-chatserver-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Technius/tokio-chatserver-example" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Technius/tokio-chatserver-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Technius/tokio-chatserver-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3af98e84698fe09821b421e898b89180dc60b608
[INFO] sha for GitHub repo Technius/tokio-chatserver-example: 3af98e84698fe09821b421e898b89180dc60b608
[INFO] validating manifest of Technius/tokio-chatserver-example on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Technius/tokio-chatserver-example on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Technius/tokio-chatserver-example
[INFO] finished frobbing Technius/tokio-chatserver-example
[INFO] frobbed toml for Technius/tokio-chatserver-example written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Technius/tokio-chatserver-example/Cargo.toml
[INFO] started frobbing Technius/tokio-chatserver-example
[INFO] finished frobbing Technius/tokio-chatserver-example
[INFO] frobbed toml for Technius/tokio-chatserver-example written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Technius/tokio-chatserver-example/Cargo.toml
[INFO] crate Technius/tokio-chatserver-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Technius/tokio-chatserver-example against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Technius/tokio-chatserver-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7708a2a57a76b3c9db7e572eb73f549cb20d07da28296d80e720a33883164ef9
[INFO] running `"docker" "start" "-a" "7708a2a57a76b3c9db7e572eb73f549cb20d07da28296d80e720a33883164ef9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking tokio-chatserver-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `recipient`
[INFO] [stderr]   --> src/main.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |                         if let Some((recipient, recip_sender)) = sender_opt {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_recipient`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recipient`
[INFO] [stderr]   --> src/main.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |                         if let Some((recipient, recip_sender)) = sender_opt {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_recipient`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `"docker" "inspect" "7708a2a57a76b3c9db7e572eb73f549cb20d07da28296d80e720a33883164ef9"`
[INFO] running `"docker" "rm" "-f" "7708a2a57a76b3c9db7e572eb73f549cb20d07da28296d80e720a33883164ef9"`
[INFO] [stdout] 7708a2a57a76b3c9db7e572eb73f549cb20d07da28296d80e720a33883164ef9